Pholphithuk, Vachir. “The Development of an Internal Education Quality Assurance System to Promote Participation of Ban Huaisai School”. Journal of Roi Et Rajabhat University 17, no. 1 (April 29, 2023): 252–263. Accessed October 11, 2024. https://so03.tci-thaijo.org/index.php/reru/article/view/255412.